I only know 1-4 so here are those answers hope i helped
1. B
2. A
3. A
4. C
The correct answer is A. True
The appropriate response is Closed Path. A way that starts and finishes at a similar vertex without navigating any edge more than once is known as a circuit, or a shot way. A circuit that takes after each edge precisely once while going to each vertex is known as a Eulerian circuit, and the diagram is called an Eulerian chart.
I think it is either the second or third one. I think it is the 3rd one though. Cause some kids love to smile, but they have a short attention span and get distracted easy and they move a lot